Document Type
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BL
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Record Number
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650049
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Doc. No
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dltt
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Main Entry
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Dirkx, Dominic
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Title & Author
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Conceptual shape optimization of entry vehicles : : applied to capsules and winged fuselage vehicles /\ Dominic Dirkx, Erwin Mooij
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Series Statement
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Springer aerospace technology
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Page. NO
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1 online resource.
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ISBN
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9783319460550
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: 3319460552
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9783319460543
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3319460544
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Bibliographies/Indexes
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Includes bibliographical references and index
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Contents
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Symbols; Subscripts; Abbreviations and Acronyms; 1 Introduction; 1.1 Re-entry Missions; 1.1.1 Re-entry in the 20th Century; 1.1.2 Re-entry in the 21st Century; 1.2 Shape Optimization; 1.3 Overview; 2 Flight Mechanics; 2.1 Flight Environment; 2.1.1 Central Body Shape; 2.1.2 Gravity; 2.1.3 Atmosphere; 2.2 Equations of Motion; 2.2.1 Reference Frames; 2.2.2 Forces; 2.2.3 Entry Equations; 2.3 Guidance Approach; 2.3.1 Capsule; 2.3.2 Winged Vehicle; 2.3.3 Vehicle Stability; 3 Aerothermodynamics; 3.1 Basic Concepts; 3.1.1 Thermodynamic Properties
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3.1.2 Characteristics of Super/Hypersonic Flow3.1.3 Viscosity; 3.2 Aerodynamic Loads; 3.3 Local-Inclination Methods; 3.3.1 Description of Methods; 3.3.2 Method Selection; 3.4 Heat Transfer; 3.4.1 Convective Heat Transfer; 3.4.2 Capsule Considerations; 4 Numerical Interpolation; 4.1 Basic Concepts; 4.1.1 Continuity and Convexity; 4.1.2 Linear Interpolation; 4.1.3 Bilinear Interpolation; 4.2 Cubic Spline Curves; 4.2.1 Fundamental Concepts; 4.2.2 Bézier and Hermite Splines; 4.2.3 Avoiding Self-intersection and Concavity; 4.3 Hermite-Spline Surfaces; 5 Vehicle Geometry
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5.1 Analytical Parameterization5.2 Winged Vehicle Parameterization; 5.2.1 Fuselage; 5.2.2 Wings; 5.2.3 Fuselage-Wing Interface; 5.2.4 Mass Model; 5.3 Meshed Surfaces; 6 Optimization; 6.1 General Concepts; 6.1.1 Problem Statement; 6.1.2 Multi-objective Optimality; 6.2 Particle-Swarm Optimization; 6.2.1 Method Overview; 6.2.2 Handling of Constraints; 6.2.3 Multi-objective PSO; 6.3 Shape Optimization; 6.3.1 Performance Criteria; 6.3.2 Constraints; 7 Simulator Design; 7.1 Simulation Code; 7.2 Model Validation; 7.2.1 Aerodynamics; 7.2.2 Vehicle Trajectories; 7.3 Simulation Settings; 7.3.1 General
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7.3.2 Capsule7.3.3 Winged Vehicle; 8 Shape Analysis -- Capsule; 8.1 Monte Carlo Analysis; 8.2 Optimization; 8.2.1 Two-Dimensional Analysis; 8.2.2 Three-Dimensional Optimization; 8.3 Concluding Remarks; 9 Shape Analysis -- Winged Vehicle; 9.1 Monte Carlo Analysis; 9.2 Optimization Results; 9.2.1 Baseline Optimization; 9.2.2 Pitch-Stable Optimization; 9.2.3 Heat-Rate Tracking Optimization; 9.3 Concluding Remarks; Appendix A Relative Viscous-Force Approximation; Appendix B Winged-Vehicle Shape Generation Example; B.1 Fuselage Shape; B.2 Wing Shape; Appendix C Optimal Capsule Shapes
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C.1 Evolution of Selected Point on Capsule Pareto FrontC.2 Optimal Capsule Shapes; Appendix D Optimal Winged-Vehicle Shapes; D.1 Evolution of Selected Point on Winged-Vehicle Pareto Front; D.2 Optimal Winged-Vehicle Shape Using Benchmark Settings; References ; Index
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Abstract
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This book covers the parameterization of entry capsules, including Apollo capsules and planetary probes, and winged entry vehicles such as the Space Shuttle and lifting bodies. The aerodynamic modelling is based on a variety of panel methods that take shadowing into account, and it has been validated with flight and wind tunnel data of Apollo and the Space Shuttle. The shape optimization is combined with constrained trajectory analysis, and the multi-objective approach provides the engineer with a Pareto front of optimal shapes. The method detailed in Conceptual Shape Optimization of Entry Vehicles is straightforward, and the output gives the engineer insight in the effect of shape variations on trajectory performance. All applied models and algorithms used are explained in detail, allowing for reconstructing the design tool to the researcher's requirements. Conceptual Shape Optimization of Entry Vehicles will be of interest to both researchers and graduate students in the field of aerospace engineering, and to practitioners within the aerospace industry
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Subject
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Space vehicles-- Atmospheric entry.
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Dewey Classification
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629.45/88
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LC Classification
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TL1060
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Added Entry
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Mooij, E.
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Added Entry
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Ohio Library and Information Network.
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